N-(3-aminopropyl)-butane-1,4-diamine
[化] 亚精胺; N--1,4-丁二胺; N-3-氨基丙基-1,4-丁二胺
🗣️ 情景例句
Especially when Alexandra gave me a surprise ...
特别是Alexandra给了我一个惊喜……
Of pigs and cows, the latter are more valuable.
在猪和母牛之间,后者比较值钱。
But why did white people want to catch Africans and put them in chains?
但是为什么白人要把非洲人抓起来,戴上镣铐呢?
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